How are these numbers calculated?

Big Games

How we did last week and who we should root for this week.   Explain

Week of 6/1100.0*Chance in playoffs100.0*Last Place100.0*Average seed
Joe's Schmoes 2 XTSC Titans 0 Out
+37.3
-0.6
Victorious Secret 1 Boogie Time Uni 1 +0.0
+0.4
-0.0
Week of 6/8100.0*Chance in playoffs100.0*Last Place100.0*Average seed
Joe's Schmoes 1 Boogie Time Uni 0 -5.7
+0.0
XTSC Titans 0 Die Schweinstei 4 +3.0
-0.0
Week of 6/15100.0*Chance in playoffs100.0*Last Place100.0*Average seed
Boogie Time Uni 1 XTSC Titans 1 Yes
-0.2
Points
Chance Will Make Playoffs